mirror of https://github.com/knative/pkg.git
77 lines
2.5 KiB
Go
77 lines
2.5 KiB
Go
/*
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Copyright 2019 The Knative Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testing
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import (
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"context"
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"fmt"
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"k8s.io/apimachinery/pkg/runtime"
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clientgotesting "k8s.io/client-go/testing"
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"knative.dev/pkg/apis"
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)
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// InduceFailure is used in conjunction with TableTest's WithReactors field.
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// Tests that want to induce a failure in a row of a TableTest would add:
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//
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// WithReactors: []clientgotesting.ReactionFunc{
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// // Makes calls to create revisions return an error.
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// InduceFailure("create", "revisions"),
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// },
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//
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// Or to target a subresource, say a patch to InMemoryChannel.Status, you would add:
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//
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// WithReactors: []clientgotesting.ReactionFunc{
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// // Makes calls to patch inmemorychannels status subresource return an error.
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// InduceFailure("patch", "inmemorychannels/status"),
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// },
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func InduceFailure(verb, resource string) clientgotesting.ReactionFunc {
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return func(action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
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if !action.Matches(verb, resource) {
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return false, nil, nil
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}
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return true, nil, fmt.Errorf("inducing failure for %s %s", action.GetVerb(), action.GetResource().Resource)
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}
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}
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func ValidateCreates(ctx context.Context, action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
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got := action.(clientgotesting.CreateAction).GetObject()
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obj, ok := got.(apis.Validatable)
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if !ok {
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return false, nil, nil
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}
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// Only return error-level errors; warnings should not block API calls.
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if err := obj.Validate(ctx).Filter(apis.ErrorLevel); err != nil {
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return true, nil, err
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}
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return false, nil, nil
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}
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func ValidateUpdates(ctx context.Context, action clientgotesting.Action) (handled bool, ret runtime.Object, err error) {
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got := action.(clientgotesting.UpdateAction).GetObject()
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obj, ok := got.(apis.Validatable)
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if !ok {
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return false, nil, nil
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}
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// Only return error-level errors; warnings should not block API calls.
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if err := obj.Validate(ctx).Filter(apis.ErrorLevel); err != nil {
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return true, nil, err
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}
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return false, nil, nil
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}
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